54015216 has 20 divisors (see below), whose sum is σ = 139539432. Its totient is φ = 18005056.

The previous prime is 54015209. The next prime is 54015217. The reversal of 54015216 is 61251045.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54015217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562611 + ... + 562706.

Almost surely, 2^54015216 is an apocalyptic number.

It is an amenable number.

54015216 is an abundant number, since it is smaller than the sum of its proper divisors (85524216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54015216 is a wasteful number, since it uses less digits than its factorization.

54015216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125328 (or 1125322 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 54015216 is about 7349.5044730920. The cubic root of 54015216 is about 378.0118134098.

The spelling of 54015216 in words is "fifty-four million, fifteen thousand, two hundred sixteen".